TECHNICAL & SERVICE MANUAL
CASSETTE TYPE AIR-CONDITIONER
(One-way cassette)
FSK-94HF
FI-SM-040830
Page 1: ...TECHNICAL SERVICE MANUAL CASSETTE TYPE AIR CONDITIONER One way cassette FSK 94HF FI SM 040830 ...
Page 2: ... Part 5 Operation Range 7 Part 6 Capacity Table 8 Part 7 Outlines and Dimension 9 Part 8 Electric Control Functions 10 Part 9 Wiring Diagram 16 Part 10 Installation 17 Part 11 Servicing and Maintenance 23 Part 12 Exploded view 26 NOTICE Specifications are subject to change without notice for further improvement All the product information has been carefully checked ...
Page 3: ...monious with any interior decoration and creates an elegant environment 5 Ultra thin machine body Space saving only 235mm 6 Convenient installation Able to be flexibly installed in various corners Standardized sectional module More flexible in routing the tube through the ceiling space due to the condensed water can be lift through the drain pump up to 750mm above the drain port 7 Easier to do cle...
Page 4: ...angdong Capacity Btu h 10800 Input W 1015 Rated current RLA A 4 5 Locked rotor Amp LRA A 19 8 Thermal protector UP3SE0591 T61 Capacitor uF 30UF 440 450V Compressor Refrigerant oil ml 400 Model YSK20 4 Brand Welling Changheng Input W 46 Capacitor uF 1 2UF 450V Indoor fan motor Speed hi mi lo r min 980 820 770 Number of rows 2 Tube pitch a x row pitch b mm 25 4x22 Fin spacing mm 1 6 Fin type code Hy...
Page 5: ...B A 42 Dimension W H D mm 780x540x250 Packing W H D mm 910x575x335 Outdoor unit Net Gross weight kg 36 39 Refrigerant type g R407c 850g Design pressure MPa 1 2 3 5MPa Liquid side Gas side mm inch φ6 35 φ9 53 1 4 3 8 Max refrigerant pipe length m 15 Refrigerant piping Max difference in level m 5 Connection wiring AWG 22 Plug type No Controller Remote Operation temp 17 30 Ambient temp 7 45 Notes 1 N...
Page 6: ...Part 3 Noise Level ONE WAY CASSETTE TYPE Microphone 1 0m 5 Octave band center frequency Hz Sound pressure level dB 0dB 0 0002 μ bar Audibility limits of continuous white sound ...
Page 7: ...Part 4 Velocity temperature distribution Airflow velocity Temperature 6 ...
Page 8: ...Part 5 Operation Range Ensure the operating temperature is in allowable range Cooling only Heat pump 7 ...
Page 9: ...kW 3 44 3 29 3 17 2 99 2 87 2 78 2 69 Sensitive capacity kW 2 75 2 63 2 54 2 39 2 30 2 22 2 15 32ºC D 23ºC W Input kW 0 88 1 00 1 13 1 25 1 38 1 50 1 63 Model FSK 94HF HEATING OUTDOOR TEMPERATURE Indoor Conditions 24ºC D 18ºC W 12ºC D 11ºC W 7ºC D 6ºC W 4ºC D 3ºC W 0ºC D 1ºC W 5ºC D 6ºC W 7ºC D 8ºC W 15ºC D 16ºC W Capacity kW 3 60 2 88 2 40 2 16 2 04 1 62 1 68 1 56 15ºC Input kW 1 32 1 06 0 88 0 8...
Page 10: ...Part 7 Outlines and Dimension 1 Indoor unit 9 4 Installhanger E partsbox Drainhole Liquidside Gasside Airoutletfram e Name Drain hole Φ38mm Liquid side Φ6 35 Gas side Φ9 53 2 Outdoor unit FSO 94HF ...
Page 11: ...indicator water level warning indicator defrosting indicator and pre heating indicator wind delivery indicator for cooling only A C 2 4 2 LED indicates errors when protection is in effective 2 5 Four way Valve It is controlled by relays 2 6 Condensate Pump It is controlled by relays 3 Operation Modes and Functions 3 1 Manual Operation 3 1 1 The manual operation mode is controlled through manual pa...
Page 12: ...his mode the buzzer will buzz for 0 5 second and the indicator on 3 1 3 3 The system will operate under the auto mode whose temperature is set to be 24 C and at the same time the wind grille will swing automatically 3 1 3 4 Under this mode corresponding protections are in effective 3 1 3 5 Push manual pad to end this mode and switch over to manual cooling mode 3 2 Heating Mode 3 2 1 Four way valve...
Page 13: ...y 3 3 1 3 Ending Of Defrosting Condition It is considered that defrosting condition is ended when any of the conditions is met 3 3 1 3 1 Operating current of compressor reaches 1 5Ie 3 3 1 3 2 Time of defrosting reaches 10 minutes 3 3 1 3 3 Temperature of outdoor coil T3 is up to 20 C 3 3 1 4 Ending Action of Defrost 3 3 1 4 1 Outdoor fan and four way valve are open 3 3 1 4 2 Compressor keeps on c...
Page 14: ...dition Ta Ts 1 c or Ta Ts 1 c lasts for 15 minutes meanwhile the compressor doesn t start up within consecutive 15 minutes the operation mode will be re chosen according to the Ta and Ts 3 6 4 Protective condition is actived 3 7 Fan Only Mode 3 7 1 Under this mode four way valve compressor and outdoor fan are shut down 3 7 2 High Low Auto fan can be switched over through manual control Auto fan wi...
Page 15: ...ccording to former setting mode On the other wise after 3 minutes the whole unit stops including drain pump and warning signal can t disappear It can t recover unless out of power 5 Trouble Shooting 5 1 Protective Function 5 1 1 3 minute delay for the compressor start up At the beginning of energizing or after the stop of the compressor 3 minute delay will be needed to start the compressor When sw...
Page 16: ... the compressor occurs 4 times in 1h Lamps of operation timer defrosting only fan flashing simultaneously at 5Hz Whole unit is shut down It cannot recover unless power is cut off 2 protection Outdoor protection absent phrase phrase sequence and temperature protection All lamps flashing at 5Hz 3 error Room temperature sensor checking channel is abnormal Timer lamp flashing at 5Hz 4 error Evaporator...
Page 17: ...1 PU M P K3 M C N 1 C N 24 XS1 6 R T1 R T2 XT1 KM 1 C AP1 FAN 1 XP1 6 T4 FSO 94HF Outdoor Unit 16 R ED TO I N D O O R U N I T XT1 TO I N D O O R U N I T XT2 T3 E FAN Y G BLU E R ED BLAC K R ED O VER LO AD R ELAY Y G BLAC K Y G R ED BLU E BLU E 4 W AY VALVE BLAC K BLU E ...
Page 18: ...t the installation place is exposed to strong wind such as a seaside or high position secure the normal fan operation by putting the unit length wise along the wall or using a duct or shield plates Specially in windy area install the unit to prevent the admission of wind 2 Indoor unit installation Adjust the indoor unit and the ceiling hole with Installation Model Paper applied Fix the Model Paper...
Page 19: ...r Unit In over 3mm Indoor Unit Indoor Unit Down Side of Model Paper Down Side of Ceiling Level Fasten the nut to secure the Indoor Unit 3 Panel installation Make sure the following before installing the panel Downside of Indoor Unit and Ceiling must be in the same plane Indoor Unit must be parallel with the Ceiling Hole Check if there is water in the drain pipe Installation Procedure 1 Remove scre...
Page 20: ...tors white Swing Motor Wire Electrical Control Box 4 Fasten the screws Lift right side of the panel then hang the hook of the panel into the buckle at right side of the Indoor Unit Buckle Indoor Unit Hook Push Inlet Grille PUSH is marked then open it Swing Inlet Grille Connect Panel with Swing Motor Wire Connector white and Remote Controller Wire Connector after passing through a hole Hole Swing M...
Page 21: ... Motor Wire into a hole Hang the Strip Hook of Inlet Grille to the hole in the middle of Indoor Unit Air Inlet Check if Air Filter is installed Confirm the Strip Hook are not clipped between lnlet Grille and the Panel then push the parts which marked PUSH and close the lnlet Grille Check after installation completed Check there is no clearance between the panel and the Indoor Unit or between the p...
Page 22: ... Drill a hole in the wall suitable just for the size of the wall conduit then set on the fittings such as the wall conduit and its cover b Bind the connecting pipe and the cables together tightly with binding tapes Do not let air in which will cause water leakage by condensation c Pass the bound connecting pipe through the wall conduit from outside Be careful of the pipe allocation to do no damage...
Page 23: ...side and liquid side stop values are both opened The air conditioner is pre heated by turning on the power 3 According to the user s requirement install the remote controller when the remote controller s signal can reach the indoor unit smoothly 4 Test operation Indoor unit Whether the switch on the remote controller works well Whether the buttons on the remote controller works well Whether the ai...
Page 24: ...teries Unit does not start The time is not start up time you have set Wait or cancel the time set Temperature is not set correctly Set the temperature properly Door or window is open Close door and window Air filter is blocked with dust or dirtiness Clean the air filter Inlet outlet of indoor outdoor units are blocked Clear all blockages Inlet outlet of indoor outdoor units are blocked Clear the b...
Page 25: ... display The air conditioner operation stops since the set time elapsed The ON TIMER indicators go off after a lapse of certain time Check whether the timer operation is started when the ON TIMER is indicated on the display When the time set to start the air conditioner is reached the air conditioner will automatically start and the appropriate indicator will go off The Signal Receiving Tone does ...
Page 26: ...filter in unit can filter dust and other granules in air It may reduce the cooling effect that the air filter is covered with dust So clean the air filter often When the unit is located in a dusty place cleaning frequency should be increased If the dust too thick to clean please replace the air filter Air filter for replacement is optional fittings 1 Press the PUSH position in right and let sides ...
Page 27: ...Part 12 Exploded view Indoor unit FSK94HF 26 ...
Page 28: ...tal louver 16 25 4 Wire joint 6p 1 3 2 Connection bar 4 25 5 Main control board 1 3 3 Horizontal louver frame 1 25 6 Wire joint 2p 1 Cover board 1 26 Evaporator 1 4 Cover for e parts box 1 27 Right evaporator cover II 1 5 Motor cover 1 28 Evaporator temp sensor 1 6 Middle cover 1 29 Fan Motor 1 7 Heat insulation foam 1 30 Volute Shell below half 1 8 Fan Motor Holder 1 31 Fan 1 9 Capacity Box 1 32 ...
Page 29: ...ion board for E parts 1 6 7 Condenser 1 21 Liquid pipe valve 1 8 Rear clapboard 1 22 Gas pipe valve 1 9 Small Handle 1 4 Ways valve 1 10 Big Handle 1 23 Compressor 1 11 Separating board 1 24 Rubber underlay for compressor 3 12 Right fixing board for condenser 1 25 Rear Net 1 13 Installation plate for valves 1 26 Water collector 1 14 Chassis 1 27 Pipe temperature sensor II ass y 1 15 Compressor cap...
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